Verbal Reasoning - Mental Ability Questions

The following equation is incorrect. Which two signs should be interchanged to correct the equation?

18 ÷ 2 - 25 x 9 + 6 = 38

In the following question, select the related letter/letters from the given alternatives.

ADF : KNP : : ILN : ?

In the following question, select the related number from the given alternatives.

11 : 16 : : ? : ?

Select the related word from the given alternatives.

Yellow : Lemon :: Purple : ?

Select the related word/letters/number from the given alternatives.

GROUPS : FQNTOR : : TORTURE : ?

Select the related word/letters/number from the given alternatives.

APPEAR : FUUJFW : : GRIND : ?

In the following question, select the related word pair from the given alternatives.

Gun : Soldier : : ? : ?

Select the related word/letters/number from the given alternatives.

QRU : RQF : : GIC : ?